The Seiko 1F20-0G80 is a watch model based on the 1F20 movement.
Parts List
| 120N16SR01 | crystal |
| 30MK2NE1 | crown |
| 0H1400N01 | case back gasket - case back gasket |
| 0351807 | others - winding stem |
| 1CX030A0BAA | others - hour hand |
| 1F200G8043 | others - case |
| 1F201K90XG19 | others - dial |
| 1F205 | others - machine code |
| 82824620 | others - case ring |
| 2CX042A0BAA | others - minute hand |
Caliber 1F20
